Thank you.
Here are the lines I've recorded so far, if somebody wants to make an effort to find the right videos to sync them to:
I've only just started playing with this, but as far as I can tell the only trick is to find the right samples, stick to the default settings and try generating a few times until you get the best results. For Emma Watson, after trying out different samples for several hours, I've found that this collection works the best for me:
Hope it helps.